[React] React Router: activeStyle & activeClassName

react-router provides two props for setting a specific style on a Link component whose path matches our current route. activeStyle allows for an inline style while activeClassName allows for an class defined in an external stylesheet.

const Links = () =>
    <nav >
        <Link activeStyle={{color: 'green'}} to="/">Home</Link>
        <Link activeStyle={{color: 'green'}} to="/about">About</Link>
        <Link activeClassName="active" to="/contact">Contact</Link>
    </nav>;

.active{
    color: green;
}